ECX-BYT - User Guide, Rev. 1.0
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Pin
Signal
Note
12
GND
7.8.
Front Panel Pin Header (FP1 & FP2)
Figure 21: Front Panel Pin Header FP1
Table 30: Pin Assignment FP1
Pin
Signal
Note
1
Reset
2
S
3
Reset Button -
4
NC
5
HDD LED +
6
Internal Speaker -
7
HDD LED -
8
Speaker -
Internal Buzzer is enabled when Pin6-8 is shorted.
Table 31: Signal Description
Signal
Description
Reset Button
-/+
Reset Button. This 2-pin connector is for chassis mounted reset button for system reboot without
turning off the system power.
HDD LED -/+
Hard Disk Drive Activity LED. This 2-pin connector is for HDD Activity LED. Connect the HDD Activity
LED cable to this connector. The HDD LED lights up or flashes when data is read from or written to
the HDD.
Internal
Speaker -
Speaker -/+
System warning speaker. The speaker allows user to hear beeps and warnings.
Figure 22: Front Panel Pin Header FP2
-
+
SPKR
+
7
8
HLED
2
1
-
+
RSTBTN
-
+
KLOCK
PLED
2
-
-
9
+
SMC
-
SMD
10
+
1
PWRBTN
